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Find quadratic polynomial whose zeroes are - 4 and 1 respectively

Posted by Arshiya Rana 5 years, 4 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 5 years, 4 months ago

$$ For quadratic equation $ ax^2 + bx + c =0\\ $ Sum of the roots ( --b/a)= 4 \\ Product of roots (c/a)= 1 $\\ x^2 + (b/a)x + (c/a) =0\\ $ Hence the required quadratic equation is x^2 +4x + 1 =0\\$

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? Pranali.A.P ? 5 years, 4 months ago

1) therefore, for polynomial.....we have to use.... x²-(sum of zeros)x + product of zeros. 2) hence,the required polynomial is.......x² -(-3)x + (-4) hope it helps.......

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Posted by Kanika . 6 days, 19 hours ago

CBSE > Class 10 > Mathematics

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If 1/2 is a root of equation x^2+kx- 5/4 =0 , then what is the value of k

Posted by Parinith Gowda Ms 2 months, 3 weeks ago

CBSE > Class 10 > Mathematics

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Ask specific question which are clear and concise.

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CBSE > Class 10 > Mathematics